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Mathematics, 21.06.2019 17:00
Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90ยฐ counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, โ6) is rotated 90ยฐ counterclockwise. (x, y) โ (โy, x) 1. switch the x- and y-coordinates: (6, โ3) 2. multiply the new x-coordinate by โ1: (6(โ1), โ3) 3. simplify: (โ6, โ3) .
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Mathematics, 22.06.2019 00:00
The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?
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Mathematics, 22.06.2019 00:30
42. if 20 men can eat 200 kg of wheat in 40 days, then 10 men can eat 300 kg of wheat in how many days? a) 120 days b) 60 days c) 80 days d) none of these
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